1. Aug 17, 2006 #1
   

   quad b TPF Noob!

   Joined:

   May 25, 2006

   Messages:

   221

   Likes Received:

   0

   Location:

   Wollongong, NSW

   Can others edit my Photos:

   Photos NOT OK to edit

   Hey guys,
   What do the numbers on warming filters mean? eg. 81B?
   
   

   
   

    
2. Aug 17, 2006 #2
   

   ksmattfish Now 100% DC - not as cool as I once was, but still

   Joined:

   Aug 25, 2003

   Messages:

   7,019

   Likes Received:

   35

   Location:

   Lawrence, KS

   Can others edit my Photos:

   Photos NOT OK to edit

   
   

   
   That's the Wratten number.
   
   http://en.wikipedia.org/wiki/Wratten_number

    

Your user name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in